that announced an email hacking campaign is underway involving a notorious Russian intelligence group that has attacked in the past. According to the NSA, the same group leaked files from the US Democratic Party in 2016.

Hackers naming from the GRU, Russia's military intelligence agency, have been targeting email accounts on a regular basis, but this is the first time the NSA has issued a public warningthe agency and announcing the ongoing hacking campaign.
The NSA launched the Cybersecurity Directorate in October, with the prospect of being a more open ally . on cybersecurity It even said that in January it warned Microsoft about a critical Windows vulnerability , rather than using it to its advantage.
The current warning describes how the GRU is targeting a vulnerability in unpatched Unix systems. It clarifies that the campaign is the work of GRU unit 74455, which has been linked to some of the most notorious hacking attacks in history. However, the NSA notice does not specify who the targets of the attack were.
The same hackers have previously been accused by the US Department of Justice of creating the virtual personalities Guccifer 2.0 and DCLeaks, who leaked information stolen from Democratic files and emails, as part of a campaign aimed at interfering in the elections 2016
In 2017, the United Kingdom alleged that the same group created NotPetya, the ransomware worm that evolved and spiraled out of control, spreading globally and causing billions of dollars in damage.
"It's probably the most well-known and successful cyberattack organization," said John Hulquist, director of intelligence at FireEye.
Of course it is not clear whether this move by the NSA stems from its desire to become a better advisor on cybersecurity issues or simply has some purpose.
